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Features
■ Excellent thermal stability
■ Frequency: 155 - 165 MHz
■ Supply voltage: 20 V
■ Output power: 30 W
■ Power gain: 14.7 ± 0.3 dB
■ Efficiency: 60% - 72%
■ Load mismatch: 20:1
■ Beo free amplifier
Application
■ Marine radio
STEVAL-TDR016V1
RF power amplifier using 1 x PD55015E
N-channel enhancement-mode lateral MOSFETs
Mechanical specification:
L = 60 mm, W = 30 mm
Description
The STEVAL-TDR016V1 is a common source Nchannel enhancement-mode lateral field effect RF
power amplifier designed for VHF marine radio
application.
Table 1. Device summary
Order code
STEVAL-TDR016V1
September 2010 Doc ID 18030 Rev 1 1/13
www.st.com
13
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Contents STEVAL-TDR016V1
Contents
1 Electrical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1.1 Maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
2 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
3 Typical performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
4 Circuit layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
5 Mounting indications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
6 Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
7 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
2/13 Doc ID 18030 Rev 1
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STEVAL-TDR016V1 Electrical data
1 Electrical data
1.1 Maximum ratings
Table 2. Absolute maximum ratings
Symbol Parameter Value Unit
V
P
T
CASE
DD
I
D
DISS
T
A
Supply voltage 24 V
Drain current 3 A
Power dissipation 25 W
Operating case temperature -20 to +85 °C
Max. ambient temperature 55 °C
2 Electrical characteristics
TA = +25 oC, VDD = 20V, I
Table 3. Electrical specification
Symbol Test conditions Min. Typ. Max. Unit
Freq Frequency range 155 165 MHz
P
OUT
Gain @ P
ND @ P
Gain
Flatness
@ P
= 30W 14.7 dB
OUT
= 30W 60 %
OUT
= 30W ± 0.3 dB
OUT
= 150 mA
DQ
30 W
H2 2ND Harmonic @ P
RD
H3 3
Harmonic @ P
= 30 W -29 -25 dBc
OUT
= 30 W -52 -50 dBc
OUT
VSWR Load mismatch all phases @ P
Doc ID 18030 Rev 1 3/13
= 30 W 20:1
OUT
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Typical performance STEVAL-TDR016V1
3 Typical performance
Figure 1. P
35
30
25
20
Pout (W)
15
10
Figure 3. Gain vs P
Gp (dB)
vs pin and frequency
OUT
@ Vdd = 20 V
f = 160 MHz
f = 165 MHz
f = 155 MHz
5
0
0,0 0,2 0,4 0,6 0,8 1,0 1,2
Pin (mW)
Pin(W)
and frequency @
OUT
Vdd = 20 V
Idq = 150 mA
Vdd= 20 V
20
19
18
17
16
15
14
13
12
11
10
0 5 10 15 20 25 30 35
f = 165 MHz
f = 155 MHz
Pout (W)
f = 160 MHz
Vdd = 20 V
Idq = 150 mA
Figure 2. Efficiency vs
P
and frequency @ Vdd = 20 V
OUT
90
80
70
60
50
Nd (%)
40
30
20
10
0
0 5 10 15 20 25 30 35
f = 160 MHz
Pout (W)
f = 165 MHz
f = 155 MHz
Vdd = 20 V
Idq = 150 mA
Figure 4. Harmonics vs frequency
@ Vdd= 20 V
-20
-25
-30
-35
-40
-45
-50
Harmonics Level (dB)
-55
-60
-65
-70
150 155 160 165 170
H2
H3
f (MH z)
Vdd = 20 V
Idq = 150 mA
Pout = 30 W
4/13 Doc ID 18030 Rev 1